Home / 8,080.07-12,120.12-2,236.55

Finding the Fourth Proportional to 8,080.07, 12,120.12 and 2,236.55

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Solution

The fourth proportional to 8,080.07, 12,120.12 and 2,236.55 is: 3,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.07 : 12,120.12 = 2,236.55 : x
  2. Step 2: Convert to fraction form
    8,080.07/12,120.12 = 2,236.55/x
  3. Step 3: Cross multiply
    8,080.07x = 12,120.12 × 2,236.55
  4. Step 4: Simplify right side
    8,080.07x = 27,107,193.79
  5. Step 5: Solve for x
    x = 27,107,193.79/8,080.07
  6. Step 6: Final answer
    x = 3,354.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.